From 72144eb44f71b85854b80df44acfabf04e0fade3 Mon Sep 17 00:00:00 2001
From: Abhishek Bindra <abhishek.bindra@browserstack.com>
Date: Tue, 9 Sep 2025 13:52:55 +0530
Subject: [PATCH 1/3] add ancestry path support

---
 lib/core/utils/dq-element.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/core/utils/dq-element.js b/lib/core/utils/dq-element.js
index 93498e91..373675e3 100644
--- a/lib/core/utils/dq-element.js
+++ b/lib/core/utils/dq-element.js
@@ -246,6 +246,9 @@ DqElement.prototype = {
    * @return {String}
    */
   get selector() {
+    if (axe._cache.get('targetFormat') === 'ancestry') {
+      return this.spec.selector || [getAncestry(this.element)];
+    }
     if (axe._cache.get('runTypeAOpt')) {
       return this.spec.selector || [generateSelectorWithShadow(this.element)];
     }

From 53eda3de547e875a8452ead013f45b36b16c6ca3 Mon Sep 17 00:00:00 2001
From: Abhishek Bindra <abhishek.bindra@browserstack.com>
Date: Mon, 15 Sep 2025 20:45:43 +0530
Subject: [PATCH 2/3] add ancestry path support

---
 lib/core/utils/get-ancestry.js | 25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/lib/core/utils/get-ancestry.js b/lib/core/utils/get-ancestry.js
index b80edb93..a65fdf34 100644
--- a/lib/core/utils/get-ancestry.js
+++ b/lib/core/utils/get-ancestry.js
@@ -13,8 +13,29 @@ function generateAncestry(node) {
     nodeName !== 'body' &&
     parent.children.length > 1
   ) {
-    const index = Array.prototype.indexOf.call(parent.children, node) + 1;
-    nthChild = `:nth-child(${index})`;
+    let index = 0;
+    if (parent.nodeName === 'BODY') {
+      let count = 0;
+      // Single pass over siblings: count valid children & locate node position.
+      for (
+        let sib = parent.firstElementChild;
+        sib;
+        sib = sib.nextElementSibling
+      ) {
+        if (sib.hasAttribute('data-percy-injected')) {
+          continue;
+        }
+        count++;
+        if (sib === node) {
+          index = count;
+          break;
+        }
+      }
+      nthChild = count > 1 ? `:nth-child(${index})` : '';
+    } else {
+      index = Array.prototype.indexOf.call(parent.children, node) + 1;
+      nthChild = `:nth-child(${index})`;
+    }
   }
 
   return generateAncestry(parent) + ' > ' + nodeName + nthChild;

From 1cfebcb25ec893b0ffc97f17da8e84c5d3f84839 Mon Sep 17 00:00:00 2001
From: Abhishek Bindra <abhishek.bindra@browserstack.com>
Date: Mon, 15 Sep 2025 21:24:15 +0530
Subject: [PATCH 3/3] add ancestry path support

---
 lib/core/utils/get-ancestry.js | 1 -
 1 file changed, 1 deletion(-)

diff --git a/lib/core/utils/get-ancestry.js b/lib/core/utils/get-ancestry.js
index a65fdf34..7321a6da 100644
--- a/lib/core/utils/get-ancestry.js
+++ b/lib/core/utils/get-ancestry.js
@@ -28,7 +28,6 @@ function generateAncestry(node) {
         count++;
         if (sib === node) {
           index = count;
-          break;
         }
       }
       nthChild = count > 1 ? `:nth-child(${index})` : '';